.mainpiclist {
  > div {
    width: 100%;
    display: flex;
    flex-wrap: wrap !important;
  }
}
.upload {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background-color: #f0f0f0;
  width: calc(25vw - 15px);
  height: calc(25vw - 15px);
}
